Kunci dikotom
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Dokumen ini membahas tentang kunci dikotom untuk mengklasifikasikan tumbuhan dan hewan berdasarkan beberapa kriteria seperti bentuk, ukuran, warna, serta metode reproduksi. Prosedur klasifikasi melibatkan pengelompokan bertahap dengan pernyataan yang kontras dan konsisten. Hal ini bertujuan untuk memudahkan identifikasi spesies melalui pengamatan sifat-sifat yang jelas dan terukur.
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- 1. KUNCI DIKOTOM TIM PPL UMM Created by hendy desniko
- 2. 1, 3, 5. Mulai dengan BENTUK (persegi panjang atau segitiga), kemudian dilanjutkan dengan membagi berdasarkan UKURAN (besar atau kecil), diakhiri dengan pembagian berdasarkan WARNA. KELOMPOK 1,3,5
- 3. 2, 4, 6. Mulai dengan WARNA kemudian dilanjutkan dengan membagi berdasarkan UKURAN (besar atau kecil), diakhiri dengan pembagian berdasarkan BENTUK (persegi panjang dan segitiga) KELOMPOK 2,4,6
- 4. 7,8. Peserta didik akan memulai dengan UKURAN (besar atau kecil) kemudian dilanjutkan dengan membagi berdasarkan BENTUK (persegi panjang dan segitiga), diakhiri dengan pembagian berdasarkan WARNA. KELOMPOK 7,8
- 5. a. Organ perkembangbiakannya: apakah dengan spora atau dengan bunga. b. Habitus/perawakan tumbuhan waktu hidup: apakah tegak, menjalar atau merambat. c. Bentuk dan ukuran daun. d. Cara berkembang biak: seksual (generatif ) atau aseksual (vegetatif ) Klasifikasi Tumbuhan
- 6. a. Saluran pencernaan makanan. Hewan tingkat rendah belum punya saluran pencernaan makanan. Hewan tingkat tinggi mempunyai lubang mulut, saluran pencernaan, dan anus. b. Kerangka (skeleton): apakah kerangka di luar tubuh (eksoskeleton) atau di dalam tubuh (endoskeleton) c. Anggota gerak: apakah berkaki dua, empat, atau tidak berkaki. Klasifikasi Hewan
- 7. a. Kunci harus dikotomi. b. Kata pertama dalam tiap pernyataan dalam 1 kuplet harus identik, contoh: 1) tumbuhan berumah satu 2) tumbuhan berumah dua c. Pilihan atau bagian dari kuplet harus kontradiktif sehingga satu bagian bisa diterima dan yang lain ditolak. Kunci Determinasi
- 8. d. Hindari pemakaian kisaran yang tumpang tindih atau hal-hal yang bersifat relatif dalam kuplet, contoh: panjang daun 4-8 cm, daun besar atau kecil. e. Gunakan sifat-sifat yang biasa diamati. f. Pernyataan dari dua kuplet yang berurutan jangan dimulai dengan kata yang sama. g. Setiap kuplet diberi nomor. h. Buat kalimat pertanyaan yang pendek. Kunci Determinasi
- 10. 2a 2a